August 18, 2026

Most signups never come back after the first session, and email is the only way to reach them once they have gone.
Onboarding sequences usually fail because they describe features to someone who has not yet succeeded at anything. A demo changes what those emails can be.
No mail client will run an interactive demo -- iframes and scripts are stripped everywhere, and that is not going to change. Anyone promising otherwise is describing an animated GIF.
What works is a real screenshot of the first step with a play affordance drawn on it, linked to the demo. The whole image should be the link, because people click the picture rather than hunting for text.
Someone who has already completed the flow in your day-0 demo should not receive it again on day 2. That is the single most common onboarding email mistake, and it reads as an email programme that is not paying attention.
If you can only branch on one signal, branch on whether they have performed the core action. It matters more than every other segmentation combined.
Not opens, which are unreliable now, and not clicks alone. The number that matters is whether people who clicked the demo went on to perform the action it showed.
That is the whole hypothesis of onboarding email, and it is measurable if the demo link carries a parameter you can tie back to the account.
Click through it — the same kind of demo you can record of your own product.
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Five demos on the free plan, forever. No credit card, no trial countdown, no sales call. Install the Chrome extension, click through your product once, and you have a shareable link in about ten minutes.
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